Welsh boxer Joe Cordina claimed his second stoppage win in seven days as he overpowered Sergej Vib on the the Joshua-Klitschko bill at Wembley.
Cordina dominated from the opening bell of his super-featherweight contest to halt the Russian inside a round.
It followed a fourth-round stoppage against Jose Aguilar on his professional debut on 22 April.
Cordina fought for Team GB at the Rio Olympics and was a bronze medallist at the Glasgow Commonwealth Games.
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